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A gas is compressed in a cylinder from a volume of 20 L to 2.0 L by a constant pressure of 10 atm. Calculate the amount of work done on the system.
What is the height of the column that contains a solution of Sucrose (C12H22O11) with 21% weight percentage of Sucrose?
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid?
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V.
how does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron?
calculate the molarity of of the following solutions 6.57g of methanol ( CH3 OH) in 1.50 x 10^2 mL solution
Consider the formation of n-butyl alcohol and NaBr in the presence of H2SO4. If you start with 1.31g of n-butyl alcohol and end up with 1.79g of n-butyl bromide
The following three solutions are mixed: 90.0mL of 0.110M Na2SO4 , 45.0mL of 0.250M ZnCl2 , and 100.0mL of 0.20M Ba(CN)2. What ionic compounds will precipitate out of solution? Express as a chemical formula.
Based on the stereochemistry of the addition of bromine to cinnamic acid write the structure of dibromide product(s) that you think will be formed as the result of the reaction of Z-2-pentene with bromine.
Since the freezing point of a solution depends on the number of particles, what would you expect the freezing point of 0.1 m solutions of aqueous NaCL and BaCl2?
What is the theoretical yield and limiting regent if 2.6 g of benzaldehyde is reacted with 0.7 g of acetone to produce dibenzalacetone
The complex ion [CoBr6]3- is a high-spin complex and absorbs light at a wavelength greater than 7.70×102nm . How many unpaired electrons will be present in the complex
Calculate the total enthalpy change in the first stage and in both stages
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